Available Answers

1. 1.

   What will be the size of the image of the pencil, if we use a small mirror instead of a big mirror?

2. 2.

   You might have seen the image of trees or buildings in water. How does this occur?

3. 3.

   What type of mirror is the surface of a metallic bell?

4. 4.

   Check point:

   1. The image formed by a plane mirror is
      1. Just in front of the mirror
      2. On the surface of the mirror
      3. Just behind the mirror
      4. As much behind the mirror as the object is in front of the mirror
   2. A virtual image larger than the object can be produced by a _______________.
      1. Concave lens
      2. Concave mirror
      3. Convex mirror
      4. Plane mirror
   3. A spherical mirror with its reflecting surface on the outside is a _______________.
      1. Plane mirror
      2. Convex mirror
      3. Concave mirror
      4. Either concave or convex
   4. This colour is not present in a spectrum.
      1. Green
      2. Violet
      3. Purple
      4. Red
   5. This cannot split light into its seven colours.
      1. Diamond
      2. Prism
      3. Steel spoon
      4. Water droplets
5. 5.

   True-False:

   1. The image formed by a plane mirror can be obtained on a screen.
   2. We can obtain an enlarged and erect image by a convex mirror.
   3. A concave mirror always forms a real image.
   4. An image produced by a plane mirror is laterally inverted.
   5. White light is a combination of seven colours.
   6. A rainbow does not have indigo colour.
6. 6.

   Fill in the blanks:

   1. An image that cannot be obtained on the screen is called _____________.
   2. An image formed by a _____________ mirror is always of the same size as that of the object.
   3. An image which can be obtained on a screen is called a _____________ image.
   4. An image formed by a concave _____________ cannot be obtained on the screen.
   5. Light travels in a _____________ line.
   6. A _____________ mirror is used as a rear view mirror in vehicles.
   7. A convex mirror always forms a _____________, _____________ and _____________ image.
   8. Sunlight is a _____________ of different colour.
   9. _____________ mirror focuses sunlight to a single point.